| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | IRIDIUM 108 |
| Spacetrack catalog number | 33842 | 41924 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:43 | 2024 Dec 22 20:10 |
| Time of closest approach (UTC) | 2024 Dec 28 18:48:21.176 |
| Minimum distance | 3.812 km |
| Height difference | 1.881 km |
| Relative speed | 13.534 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 65.4°N, 91.4°W |
| Height | 786 km |
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